Liam Hemsworth

Liam Hemsworth credits his Hunger Games co-star Woody Harrelson with opening up his mind about the mistreatment of animals. "The more I was aware of, the harder and harder it was to do," he told Men's Fitness, of eating meat. Harrelson suggested he try a vegan diet. Hemsworth told the magazine, "There are no negatives to eating like this. I feel nothing but positive, mentally and physically. I love it."